5 Reviews

5
View Product Reviews

40mm Celotex TB4040 PIR Insulation Board 2400mm x 1200mm

URN: 3001026
£16.88ex. VAT £5.86 per m2
£16.88ex. VAT
£5.86 per m2
Bulk Discount
15+ boards 30+ boards 50+ boards
£16.71ex. VAT £16.54ex. VAT £16.37ex. VAT
Coverage required
m
m
Based on your total area of m2 (inc. 10% wastage) - of these are required (actual coverage of m2)

We recommend purchasing at least 10% extra product to allow for errors, damages or obstacles

40mm Celotex TB4040 is a high-performance thermal insulation PIR board with composite foil facings. It can be used for roof, floor, wall and timber joist applications.

Nationwide Delivery

Thu 30 May

Order within 40mins

Delivery & Returns Info
Make 3 payments of £5.63 with PayPal Learn more
Make 3 payments of £5.63 with Klarna Learn more

Product Overview

40mm Celotex TB4040 is a high-performance thermal insulation PIR board with composite foil facings. It can be used for roof, floor, wall and timber joist applications.

URN: 3001026
£16.88ex. VAT

Pay in 30 days

Apply for trade credit

Trade account


Register for trade prices

Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Late fees may apply. Ts&Cs apply

Delivery & Returns Information

All delivery charges are shown in your basket and are dependent on the total value of items in your basket based on product category.

Standard (Nationwide) Delivery

Insulation, Plasterboard and Drylining Products
ORDER VALUE DELIVERY CHARGE
Under £150 ex. VAT £50 ex. VAT
Between £150 - £400 ex. VAT £35 ex. VAT
Over £400 ex. VAT FREE
Timber & Sheet, Building Materials, Doors & Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £100 ex. VAT £35 ex. VAT
Between £100 - £300 ex. VAT £20 ex. VAT
Over £300 ex. VAT FREE
SuperFOIL and YBS products
ORDER VALUE DELIVERY CHARGE
Each item £10 ex. VAT
Over £350 ex. VAT of 1 brand FREE
Screws & Fixings and Adhesives & Sealants
ORDER VALUE DELIVERY CHARGE
Under £100 ex. VAT £7.50 ex. VAT
Over £100 ex. VAT FREE
Thermafleece CosyWool Roll & SupaSoft Insulation
QUANTITY DELIVERY CHARGE
1 £30 ex. VAT
2 £60 ex. VAT
3 to 12 £70 ex. VAT
13 to 24 £140 ex. VAT
25 to 36 £210 ex. VAT
37 to 48 £280 ex. VAT
49 to 60 £350 ex. VAT
61+ £420 ex. VAT
Thermafleece CosyWool Slab, Thermafleece UltraWool & Thermafleece NatraHemp
QUANTITY DELIVERY CHARGE
1 £30 ex. VAT
2 £60 ex. VAT
3 to 4 £70 ex. VAT
5 to 8 £140 ex. VAT
9 to 12 £210 ex. VAT
13 to 16 £280 ex. VAT
17 to 20 £350 ex. VAT
21+ £420 ex. VAT
Block Pavers
ORDER VALUE DELIVERY CHARGE
Under £100 ex. VAT £17.50 ex. VAT
Between £100 - £200 ex. VAT £30.50 ex. VAT
Between £200 - £900 ex. VAT £105 ex. VAT
Over £900 ex. VAT FREE
Artificial Grass
ORDER VALUE DELIVERY CHARGE
Under £100 ex. VAT £12 ex. VAT
Between £100 - £200 ex. VAT £16.50 ex. VAT
Over £200 ex. VAT £22 ex. VAT

Express Delivery

Express Delivery - Insulation and Plasterboard & Drylining
ORDER VALUE DELIVERY CHARGE
Under £300 ex. VAT £50 ex. VAT
Over £300 ex. VAT £35 ex. VAT
Express Delivery - Timber & Sheet, Building Materials, Doors & Joinery and Gardens & Landscaping Products
ORDER VALUE DELIVERY CHARGE
Under £300 ex. VAT £50 ex. VAT
Over £300 ex. VAT £35 ex. VAT

This charge is based on delivery to mainland UK excluding the Scottish Highlands. If your delivery address is in the Scottish Highlands a member of our customer service team will contact you prior to processing your order should an additional delivery charge apply. We do not offer deliveries outside the UK mainland.

View Full Delivery Policy

Returns

We offer a 30 day returns policy on any faulty products.

View Full Returns Policy

Key Features

  • {{home}} Use in floors, framed walls and pitched roofs
  • {{grade}} Aluminium composite facing on both sides
  • {{thermostat}} 0.022 W/mK thermal conductivity
  • {{build}} Easy to handle and install
  • {{public}} Zero Ozone Depletion Potential (ODP)
  • {{verified_user}} BBA certified

Technical Specification

Technical Specification
Material Type:PIR
Thickness:40mm
Width:1200mm
Length:2400mm
Sales Unit:Board
Sales Unit Coverage:2.88m2
Brand:Celotex
Manufacturer's Reference:TB4040
Weight:1.41kg/m2
Thermal Conductivity:0.022W/mK

What Is 40mm Celotex TB4040?

40mm Celotex TB4040 PIR Insulation is a BBA certified thermal insulation solution purposed to combat thermal-bridging in a variety of floor, wall and roof applications. 


Celotex 40mm TB4040 PIR Applications

  • Ground Floor - Concrete Slab (perimeter upstand)
  • Ground Floor - Beam and Block (perimeter upstand)
  • Ground Floor - Suspended Timber Joists (perimeter upstand)
  • Ground Floor - Upgrading Existing Concrete Slab (perimeter upstand)
  • External Wall - Timber Frame Internal Linings
  • External Wall - Masonry Cavity Internal Linings
  • External Wall - Solid Masonry Internal Linings
  • Pitched Roof - Below Timber Rafters
  • Pitched Roof - Above Timber Rafters


40mm Celotex TB4040 Specifications

  • Excellent thermal conductivity of 0.022w W/mK
  • Low emissivity foil facing provides improved thermal performance in sealed cavity air spaces
  • Complies with UK Building Regulations with better U-values and thinner solutions
  • Zero Global Warming Potential (GWP) and Zero Ozone Depleting Potential (ODP)
  • Easy to install
  • BBA certified - Celotex TB4040 has been assessed by the BBA as fit for use in defined roof, wall and floor applications if installed, used and maintained as set out in the certificate
  • Achieves a BRE Green Guide Rating of A, which can assist in demonstrating environmental performance in your BREEAM assessments
  • Lightweight 2400 x 1200mm boards


40mm Celotex TB4040 Certifications

  • Spread of flame: Euroclass E Reaction to Fire classification, according to BS EN 13501-1
  • Compressive Strength: 140kPa
  • Thermal conductivity of 0.022 W/m.K, reducing the thickness of insulation required to hit the target U-value - BS EN 12667
  • BRE Green Guide Rating of A for sustainability - which can assist in demonstrating environmental performance in your BREEAM assessments
  • BBA certified


40mm Celotex TB4040  Storage & Handling

If you need to store 40mm Celotex TB4040 insulation boards for a while before installation, you should choose a cool, dry space.

Our rule of thumb when it comes to storage is that the boards should not be stored on the ground. Instead, pop them on a level surface and under a protective cover, just for good measure.


About Celotex

Celotex is a leading British manufacturer of 40mm Celotex TB4000 PIR insulation. Founded in the early 1920s, the company has since evolved from a fibreboard insulation company to one that solely focuses on PIR insulation boards.

The TB4040 insulation board is just one of many popular thermal insulation solutions in the Celotex product range. The Celotex TB4000 PIR insulation range consists of thicknesses: 20mm, 25mm, 30mm, and 40mm.

Customer Reviews

5
4
3
2
1
5/5 based on 5 reviews

good

Christopher Wells on

great for insulating

Dylan Spears on

kept the house warm

Rhidian Thomas on

great insulation

Kyle Ritten on

This insulation was used to address thermal bridging I had through some beams in our roof. Great to reduce localised heat losses in our loft. Also very competitive price!

Trevor Chevrolet on

Leave a Review

Related Articles

How to Insulate Under Floorboards Without Removing

How To Install Celotex Insulation Boards

Celotex Floor Insulation Guide

Celotex vs Kingspan: What’s the Difference?

All Categories

Services